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What represents a double in sql server?
...ble and I want to store these in a table in SQL Server, but noticed there is no double type, so what is best to use, decimal or float ?
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Interfaces with static fields in java for sharing 'constants'
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It's generally considered bad practice. The problem is that the constants are part of the public "interface" (for want of a better word) of the implementing class. This means that the implementing class is publishing all of these values to external classes even when they are ...
ImportError: No module named PIL
I use this command in the shell to install PIL:
22 Answers
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What is the effect of extern “C” in C++?
...t contains just the declaration of your function. Your function definition is contained in a binary format (that was compiled by your C++ compiler) that the client C linker will then link to using the C name.
Since C++ has overloading of function names and C does not, the C++ compiler cannot just us...
How can I check if a string is null or empty in PowerShell?
Is there a built-in IsNullOrEmpty -like function in order to check if a string is null or empty, in PowerShell?
11 Answers...
What is the difference between PS1 and PROMPT_COMMAND
While taking a look at this awesome thread I noticed that some examples use
6 Answers
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Arrow operator (->) usage in C
...he -> (arrow) operator came up without explanation. I think that it is used to call members and functions (like the equivalent of the . (dot) operator, but for pointers instead of members). But I am not entirely sure.
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PHP check whether property exists in object or class
...es not have a pure object variable, but I want to check whether a property is in the given object or class.
8 Answers
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Practical non-image based CAPTCHA approaches?
It looks like we'll be adding CAPTCHA support to Stack Overflow. This is necessary to prevent bots, spammers, and other malicious scripted activity. We only want human beings to post or edit things here!
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When to use wrapper class and primitive type
...their primitive counterparts (memory & boxing).
Another consideration is:
It can be handy to initialize Objects to null or send null parameters into a method/constructor to indicate state or function. This can't be done with primitives.
Many programmers initialize numbers to 0 (default) or -1...